Re: [DML] How to figure battery life

[mike.griese@xxxxxxxxxxxxxxxx]

Not enough information.  You need to know how much current the 
LEDs draw.  Plus the door buzzer and interior lights.  A good estimate
is to take the amp/hour rating of the battery and divide it by the current
draw.  There are other factors, but this will get you in the ballpark.

As a simple example, if your battery is rated at 2 amphours and you 
are drawing half an amp, you can expect 4 hours of power.

--
Mike

-------------- Original message from "daviddelorean" <daviddelorean@xxxxxxxxx>: -------------- 


> I'm trying to figure out how long a fully charged battery will last. 
> What is the mathmatical formula for doing it? All my lights (except 
> headlights) are LEDs. The tail & front market lights have 45 diodes, 
> the side markers have 3 diodes, license plates have 6 diodes, door 
> markers (assuming I keep the doors open) have 6 diodes. 
> 
> So with doors open and parking lights on (headlights off) how long will 
> my batter last from a full charge? 
> 
> 
> 
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